US7128245B2 - Dispensing closure with automatic sealing valve of single body - Google Patents

Dispensing closure with automatic sealing valve of single body Download PDF

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Publication number
US7128245B2
US7128245B2 US10/630,631 US63063103A US7128245B2 US 7128245 B2 US7128245 B2 US 7128245B2 US 63063103 A US63063103 A US 63063103A US 7128245 B2 US7128245 B2 US 7128245B2
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Prior art keywords
automatic sealing
sealing valve
container
vertical
closure
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Expired - Lifetime, expires
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US10/630,631
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US20040262338A1 (en
Inventor
Chung Kee Lee
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Chong Woo Co Ltd
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Chong Woo Co Ltd
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Assigned to CHONG WOO CO. LTD. reassignment CHONG WOO CO. LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, CHUNG KEE
Publication of US20040262338A1 publication Critical patent/US20040262338A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/16—Snap-on caps or cap-like covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure

Definitions

  • the present invention relates generally to closures, and more particularly to a dispensing closure which includes an automatic sealing valve which opens to dispense a fluid product from a squeeze-type container when the container is subjected to an external force, such as squeezing pressure, and which automatically closes when the external force is terminated, and a closure body which securely mounts the automatic sealing valve to the container, wherein the automatic sealing valve and the closure body are designed in a special form not to need a means for retaining the automatic sealing valve to the closure body, so that the possibilities of defect thereof in manufacture and disorder during use can be remarkably reduced, and the manufacturing cost can be reduced by shortening an assembling process.
  • Dispensing devices discharging a predetermined amount of fluid product in a container when required, have been developed in a variety of types due to their convenience in use.
  • One type of them is a manual pump-type dispenser that comprises cylinder, piston, spring, nozzle, etc. and is engaged to the upper of a container for use.
  • the manual pump-type dispenser discharges a fluid product through the nozzle when the pump is pressed downwardly.
  • the other type of them is a dispensing closure with an automatic sealing valve.
  • the dispensing closure discharges a fluid product through the automatic sealing valve that opens when a container is subjected to an external force, such as a squeezing force, and then automatically closes by the inherent resilience thereof when the external force is released.
  • an external force such as a squeezing force
  • Such automatic sealing valves are disclosed in U.S. Pat. Nos. 1,607,993, 2,802,607, 3,257,046, etc.
  • the dispensing closure is provided with the central support member, having an upwardly facing concave surface that is surrounded by a flat, annular, peripheral surface, within a dispensing aperture for supporting the dispensing valve, thereby preventing the self-sealing valve from being downwardly dislodged during operation.
  • this structural configuration has some drawbacks as below.
  • the structural configuration according to the above patent requires the retaining ring. Nevertheless, the possibility of dislodgement of the automatic sealing valve continuously exists because the self-sealing valve is so flexible that it can be too largely deformed during operation, thereby causing the upwardly dislodgement thereof.
  • the dispensing closure with the automatic sealing valve is usually used in a reverse position, i.e., the opening thereof facing downwardly, and in this position, some fluid product in a container may enter the gap between the dispensing closure and the automatic sealing valve to help dislodgement of the valve by working as a lubricant.
  • the structural configuration according to the above patent also requires the separate, supporting member to prevent the automatic sealing valve from being downwardly dislodged during operation.
  • the automatic sealing valve generally has the similar thickness through an opening of the closure body and thus the downward pressure is uniformly applied to the top surface of the valve, exposed through the opening, when the squeezing pressure is released.
  • the downward pressure does not concentrate at a certain area of the automatic sealing valve, so that a relatively high force is applied to the portion between the closure body and the automatic sealing valve, which can cause the automatic sealing valve to be dislodged downwardly.
  • the supporting member is required.
  • the need of the retaining ring and supporting member for configuration of dispensing closure causes complication of manufacturing and assembling steps, which also causes the possibility of its defect and disorder as well as the manufacturing cost to increase.
  • an automatic sealing dispensing closure which substantially reduces or eliminates disadvantages and problems associated with prior art dispensing closures. That is, an object of the present invention is to provide a dispensing closure which can be actuated even without any separate retaining means and supporting means by making a closure body and automatic sealing valve in a special form so as to reduce the number of components and shorten the manufacturing and assembling processes. Another object of the present invention is to provide a dispensing closure that has an excellent sealing effect and very low possibilities of defects in manufacture and disorders during use.
  • a dispensing closure which comprises
  • closure body adapted to be assembled to the opening of a container, said closure body defining a dispensing passage for communication between the container interior and exterior through the container opening;
  • an automatic sealing valve disposed in said closure body across said dispensing passage, said valve opening in response to increased container pressure and automatically closing in response to released container pressure, and comprising;
  • said closure body having a cylindrical body for attachment to said container, a horizontal covering part extending inwardly from the top of said cylindrical body, a vertical covering part extending upwardly from the inner end of said horizontal covering part, and a top covering part extending inwardly from the upper end of said vertical covering part and protruding downwardly at its lower surface, which forms a generally tubular spout;
  • said automatic sealing valve having a static member for engagement in the inside space made by said horizontal covering part, vertical covering part and top covering part of said closure body, and a dynamic member for being movable by pressure within said container between an open position and a closed position;
  • said static member comprises a horizontal part corresponding to said horizontal covering part and a vertical part corresponding to said vertical covering part
  • said dynamic member comprises a flexible lateral part extending inwardly from the top of said vertical part and then bending downwardly, and an automatic sealing part extending inwardly from said flexible lateral part and having a central opening-closing slit
  • top surface of a connect portion between said vertical part and said flexible lateral part have a generally V-shaped groove
  • the thickness of said flexible lateral part is less than 1 ⁇ 3 of the thickness of said vertical part and simultaneously less than 1 ⁇ 3 of the thickness of the peripheral portion of said automatic sealing part
  • the top surface of said automatic sealing part forms the shape of a reverse dome
  • the outer, peripheral surface of said automatic sealing part slopes outwardly, downwardly at least 5° from its vertical axis.
  • said cylindrical body of the closure body further includes an annular, small ring which protrudes inwardly from the inner surface of the cylindrical body with which said horizontal part of the automatic sealing valve comes into contact. Said ring serves to support the horizontal part of the automatic sealing valve to effect its tight engagement within the cylindrical body.
  • said dispensing closure further includes a cap for protection of said automatic sealing valve and being connected to said cylindrical body of the closure body through a snap hinge, said cap having a central post which is disposed within the reverse dome-typed cavity of said automatic sealing valve when the cap is closed thereover.
  • the automatic sealing valve can be securely engaged to the closure body without requiring any retaining means, such as a retaining ring in prior art, and is not dislodged from the closure body during use due to their special structural configuration.
  • this structural configuration provides tighter engagement and more effective sealing than any structural configurations in prior art.
  • the reduced number of constitutional elements, based upon this structural configuration can significantly reduce the possibility of defect in manufacture and disorder in use as well as the manufacturing cost.
  • FIGS. 1A and 1B illustrate cross sectional side views of a dispensing closure that accommodates a cap, according to a particular embodiment of the present invention, wherein the cap is in an open position in FIG. 1A and in a closed position in FIG. 1B , respectively;
  • FIG. 2A illustrates a plane view of an automatic sealing valve suitable for a dispensing closure, according to a particular embodiment of the present invention, and FIG. 2B illustrates a cross sectional side view thereof;
  • FIGS. 3A and 3B illustrates cross sectional side views of the automatic sealing valve of FIG. 2B , showing partial steps in which the fluid product is being discharged upwardly through an opening-closing slit by the increased pressure within a container;
  • FIGS. 4A and 4B illustrate perspective views of a dispensing closure according a particular embodiment of the present invention.
  • FIGS. 1A and 1B illustrate a cross-sectional side view of a particular embodiment of a dispensing closure 100 according to the present invention, in an open cap position and closed cap position, respectively.
  • the dispensing closure 100 in FIGS. 1A and 1B comprises a closure body 200 and an automatic sealing valve 300 , and a cap 400 is connected to the closure body 200 through a snap hinge 410 .
  • the closure body 200 generally comprises a cylindrical body 210 and a tubular spout 220 .
  • the cylindrical body 210 is attached to an opening 510 of a container 500 .
  • the cylindrical body 210 includes an internal thread 212 for threadedly attaching the closure body 200 to an external thread 512 of the opening 510 .
  • ways for attaching the closure body 200 to the container 500 are not limited this thread way but can be diverse ones.
  • the spout 220 of the closure body 200 has a smaller diameter than the cylindrical body 210 . That is, the spout 220 comprises a horizontal covering part 222 extending inwardly from the top of the cylindrical body 210 , a vertical covering part 224 extending upwardly from the inner end of the horizontal covering part 222 , and a top covering part 226 extending partially, inwardly from the upper end of the vertical covering part 224 , thereby generally making a multistage structure which is axially penetrated.
  • This configuration of the spout 220 permits the automatic sealing valve 300 , being disposed within the spout 220 , to closely contact thereinto and also prevents the automatic sealing valve 300 from being dislodging therefrom during operation even without a separate retaining means, which is different from any prior art configurations.
  • a horizontal part 312 of the automatic sealing valve 300 is tightly secured in the space, when the dispensing closure 100 is attached to the container 500 , formed by the top of the container opening 510 and the bottom of the horizontal covering part 222 of the spout 220 and the side of the vertical covering part 224 .
  • the automatic sealing valve 300 need to be tightly secured within the closure body 200 , prior to attachment of the dispensing closure 100 to the container 500 .
  • the cylindrical body 210 of the closure body 200 may include an annular, small ring 214 which protrudes inwardly from the side of the cylindrical body 210 to which the horizontal part 312 of the automatic sealing valve 300 contacts.
  • the automatic sealing valve 300 is a small valve that, when the pressure is made in the container 500 by squeezing the container 500 , opens to discharge a fluid product from the container 500 and, when the pressure is released, automatically closes.
  • This automatic sealing valve 300 is made of a material being flexible and resilient.
  • the kinds of the material are not particularly limited, but silicone rubber, polyethylene, ethylene-propylene copolymer, etc. are preferable. Among them, silicone rubber is particularly preferable because of its good resilient property.
  • polyethylene high density polyethylene (HDPE) and linear low density polyethylene (LLDPE) are more preferable.
  • the automatic sealing valve 300 of the present invention can be tightly engaged within the closure body 20 , without requiring a separate retaining means due to structural features of themselves.
  • the automatic sealing valve 300 having such feature has a structural configuration suitable for being fixed in the inside space that is formed by the horizontal covering part 222 , the vertical covering part 224 and the top covering part 226 of the closure body 200 .
  • the automatic sealing valve 300 includes a horizontal part 312 corresponding to the horizontal covering part 222 of the closure body 200 , and a vertical part 314 corresponding to the vertical covering part 224 of the closure body 200 .
  • the extending length of the top covering part 226 of the closure body 200 is almost identical with the thickness of the vertical part 314 of the automatic sealing valve 300 .
  • the more precise configuration of the automatic sealing valve 300 is depicted in FIGS. 2A and 2B .
  • the automatic sealing valve 300 can be divided into a static member 310 and a dynamic member 320 by whether of their movement in operation. While the static member 310 does not move in operation and works as fixing the automatic sealing valve 300 into the closure body 200 , the dynamic member 320 moves to open and close a passage through the container opening 510 (see FIG. 1A ).
  • the static member 310 comprises the horizontal part 312 and the vertical part 314 , both having a relatively thick dimension.
  • the horizontal part 312 is positioned in the inside space formed by the closure body 200 and the top of the container opening 510 .
  • the horizontal part 312 and the vertical part 314 have an outer surface fitting in the inner surface of the closure body 200 , thereby having a high contactability and effecting a tight seal.
  • the fluid product of the container can work as a lubricant to help an automatic sealing valve come out in operation.
  • the horizontal part 312 can be somewhat pressed by the container opening during the assembling process. Accordingly, the thickness of the horizontal part 312 is preferably a little larger than the height of the inside space formed by the closure body 200 and the top of the container opening 510 , whereby the horizontal part 312 is somewhat pressed to provide tighter seal.
  • the dynamic member 320 comprises a flexible lateral part 322 , having a relative thin thickness, and an automatic sealing part 324 , having an opening-closing slit 3246 in the center.
  • the flexible lateral part 322 comprises a lateral extending part 3222 , extending laterally from the top of the vertical part 314 , and a vertical extending part 3224 , extending downwardly from the lateral extending part 3222 .
  • the automatic sealing part 324 comprises a support part 3242 , connecting to the vertical extending part 3224 , and a central part 3244 , having the opening-closing slit 3246 .
  • This V-shaped groove is occluded with a portion protruding downwardly from the bottom of the top covering part 226 of the closure body 200 , which helps the closure body 200 to secure the automatic sealing valve 300 .
  • a portion, in which the horizontal extending part 3222 and the vertical extending part 3224 are connected to each other, is made as a curve form. As seen in FIGS.
  • the flexible lateral part 322 is a portion which is temporally, the most largely distorted by the applied pressure.
  • the thickness (t) of the flexible lateral part 322 is below 1 ⁇ 3, preferably below 1 ⁇ 4 of the thickness (T) of the vertical part 314 , with reference to FIG. 2 .
  • the thickness (t) of the flexible lateral part 322 is below 1 ⁇ 3, preferably below 1 ⁇ 4 of the thickness (T′) of the support part 3242 , more particularly, the outer portion of the automatic sealing part 324 .
  • the vertical part 314 as well as the flexible lateral part 322 is also distorted in pressure application, whereby the automatic sealing valve 300 can be dislodged from the closure body 200 and, in pressure release, the automatic sealing valve 324 may fail to recover to the original position to cause upwardly convex distortion of the automatic sealing valve 324 .
  • the top surface of the automatic sealing part 324 is recessed in the form of reverse dome.
  • This structural configuration is also suitable for preventing the automatic sealing part 324 from being upwardly, convexly distorted, when the pressure is applied.
  • the outer surface (S) of the support part 3242 of the automatic sealing part 324 leans outwardly, downwardly at least 5°, preferably 5° to 15° from its vertical axis.
  • This configuration when the fluid product starts to be discharged as the automatic sealing valve 324 rises by pressure application, also prevents the automatic sealing valve 324 from being turned over (upwardly, convexly distorted). More particularly, as shown in FIG.
  • the outer surface (S) of the support part 3242 comes into contact with the inner surface of the distorted vertical extending part 3224 thereby preventing the overturn of the automatic sealing valve 324 .
  • the pressurized fluid product can lead distortion of the flexible lateral part 322 and the support part 3242 no longer, and thus cause only open of the opening-closing slit 3246 so as to discharge the fluid product. If the support part 3242 rises beyond the vertical extending part 3224 , the recovery process cannot easily occur when the pressure is released.
  • the thickness of the flexible lateral part 322 , the reverse dome shape of the top surface of the automatic sealing valve 324 , and the slope degree of the outer surface (S) of the support part 3242 work together to perform the discharge process in pressure application and the recovery process in pressure release, respectively.
  • a cap 400 is connected to an area, with a snap hinge 410 , in which the cylindrical body 210 of the closure body 200 meets the spout 220 .
  • the cap 400 works as protecting the automatic sealing valve 300 and also preventing the fluid product from being discharged by the unexpected external force to the container 500 .
  • a first protruder 420 is formed having the height sufficient to suppress distortion of the automatic sealing valve 300
  • a second protruder 430 is concentrically formed surrounding the first protruder 420 .
  • the top 226 of the closure body 200 and the flexible lateral part 322 of the automatic sealing valve 300 are positioned in a groove 425 between the first protruder 420 and the second protruder 430 , and the first protruder 420 presses the automatic sealing valve 318 , so that, even when the fluid product in the container 500 is pressurized, the flexible lateral part 322 is not distorted and the opening-closing slit 3246 of the automatic sealing part 324 keeps closed.
  • a portion 210 ′ which is opposite to the snap hinge 410 in the closure body 200 is somewhat recessed to form a recess 216 , and a lip 440 corresponding to the recess 216 is formed on the cap 400 . Therefore, the cap 400 can be easily opened from the closure body 200 with the recess 216 and the lip 440 .
  • FIGS. 4A and 4B shows perspective views of a dispensing closure according to one embodiment of the present invention.
  • the three-dimensional configuration of the dispensing closure 200 as seen in FIG. 1A can be more easily understood.
  • the dispensing closure with the automatic sealing valve of a single body according to the present invention can be attached to containers for a wide range of fluid products such as beverages, foods, cosmetics, detergents, etc., to dispense the fluid products by squeezing the container.
  • the dispensing closure according to the present invention need not a separate retaining means for engaging the automatic sealing valve within the closure body, so that the number of components is relatively small and the assembling process is very simple.
  • the structural configuration according to the present invention can significantly reduce the possibility of defect in manufacture and the possibility of disorder during use.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
US10/630,631 2003-06-30 2003-07-29 Dispensing closure with automatic sealing valve of single body Expired - Lifetime US7128245B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2003-0043677 2003-06-30
KR1020030043677A KR100561958B1 (ko) 2003-06-30 2003-06-30 일체형 자동밀봉 밸브를 구비한 디스펜싱 클로우져

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US20040262338A1 US20040262338A1 (en) 2004-12-30
US7128245B2 true US7128245B2 (en) 2006-10-31

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EP (1) EP1493682B1 (de)
KR (1) KR100561958B1 (de)
DE (1) DE60324669D1 (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080264979A1 (en) * 2007-02-14 2008-10-30 Avesto Tech B.V. Dispensing valve and a container for holding fluid provided with such a dispensing valve
US20090283555A1 (en) * 2008-05-14 2009-11-19 Tablecraft Products Company Valve top
US20100089921A1 (en) * 2006-12-20 2010-04-15 Lenny Marita Ellenkamp-Van Olst Closure assembly with valve and method for its manufacturing
US20110163134A1 (en) * 2010-01-06 2011-07-07 Bloom Kenneth S Dispensing valve
US20120080450A1 (en) * 2010-10-01 2012-04-05 Conopco, Inc., D/B/A Unilever Food dispenser
US20130240564A1 (en) * 2010-09-02 2013-09-19 Gary J. Albaum Containers and methods for mixing and dispensing beverage concentrates
US8608034B2 (en) 2011-02-18 2013-12-17 Berry Plastics Corporation Dispensing valve
USD716142S1 (en) 2012-06-18 2014-10-28 Conopco, Inc. Cap
USD720622S1 (en) 2011-11-30 2015-01-06 Tc Heartland Llc Bottle with cap
USD738732S1 (en) 2011-11-30 2015-09-15 Tc Heartland Llc Bottle with cap
USD739750S1 (en) 2012-06-18 2015-09-29 Conopco, Inc. Bottle
US9488286B2 (en) 2013-10-24 2016-11-08 Ecolab Usa Inc. Single piece three-way elastomeric valve
US20160355304A1 (en) * 2008-09-01 2016-12-08 Rieke Corporation Liquid dosing devices
US20180029863A1 (en) * 2016-07-29 2018-02-01 Berry Plastics Corporation Liquid dispenser
US10442584B2 (en) * 2015-02-03 2019-10-15 Weener Plastics Netherlands B.V. Dispensing closure with self-closing valve
US20200095050A1 (en) * 2018-09-26 2020-03-26 Phoenix Closures, Inc. Dispensing closure system with slitted liner
CN113614000A (zh) * 2019-03-19 2021-11-05 温纳塑料集团有限公司 由塑性体或热塑性弹性体制成的自闭分配阀
US20220126592A1 (en) * 2020-10-23 2022-04-28 Seiko Epson Corporation Ink refilling container

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US20060060612A1 (en) * 2004-09-22 2006-03-23 Keith Antal Liquid media flapper dispensing valve
KR200471613Y1 (ko) * 2012-08-24 2014-03-06 김수성 튜브식 용기의 마개
US10518943B2 (en) * 2013-03-15 2019-12-31 Tc Heartland Llc Container with valve
CN103640749A (zh) * 2013-11-22 2014-03-19 中山环亚塑料包装有限公司 一种倒液口防漏型配套高光瓶
CN103708088A (zh) * 2014-01-04 2014-04-09 李红彪 一种翻盖式防盗翻不漏瓶盖
CN104960724A (zh) * 2015-05-28 2015-10-07 张天久 食用油防氧化包装瓶
KR102380908B1 (ko) * 2020-01-15 2022-03-30 김정용 필터 카트리지, 이를 구비하는 정수 필터 조립체 및 휴대용 정수 물통

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US1607993A (en) 1925-12-11 1926-11-23 Raymond G F Loewy Container tube
US2802607A (en) 1953-05-11 1957-08-13 Jr Phillip Kalmbach Dispensing cap for collapsible tubes
US3257046A (en) 1964-09-28 1966-06-21 James Paul O Sullivan Dispensing cap for collapsible tubes
US5271531A (en) * 1991-01-14 1993-12-21 Seaquist Closures, A Division Of Pittway Corp. Dispensing closure with pressure-actuated flexible valve
US5676289A (en) * 1996-04-04 1997-10-14 Aptargroup, Inc. Valve-controlled dispensing closure with dispersion baffle
US6089419A (en) * 1998-10-28 2000-07-18 Aptargroup, Inc. Dispensing structure which has a lid with a pressure-openable valve
US6112951A (en) * 1996-07-11 2000-09-05 Aptargroup, Inc. One-piece dispensing system and method for making same
US6145688A (en) * 1996-07-17 2000-11-14 Smith; James C. Closure device for containers
DE29913319U1 (de) 1999-07-29 2000-12-07 Weener Plastik GmbH & Co KG, 26826 Weener Selbstschließendes Ventil

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Publication number Priority date Publication date Assignee Title
US1607993A (en) 1925-12-11 1926-11-23 Raymond G F Loewy Container tube
US2802607A (en) 1953-05-11 1957-08-13 Jr Phillip Kalmbach Dispensing cap for collapsible tubes
US3257046A (en) 1964-09-28 1966-06-21 James Paul O Sullivan Dispensing cap for collapsible tubes
US5271531A (en) * 1991-01-14 1993-12-21 Seaquist Closures, A Division Of Pittway Corp. Dispensing closure with pressure-actuated flexible valve
US5676289A (en) * 1996-04-04 1997-10-14 Aptargroup, Inc. Valve-controlled dispensing closure with dispersion baffle
US6112951A (en) * 1996-07-11 2000-09-05 Aptargroup, Inc. One-piece dispensing system and method for making same
US6145688A (en) * 1996-07-17 2000-11-14 Smith; James C. Closure device for containers
US6089419A (en) * 1998-10-28 2000-07-18 Aptargroup, Inc. Dispensing structure which has a lid with a pressure-openable valve
DE29913319U1 (de) 1999-07-29 2000-12-07 Weener Plastik GmbH & Co KG, 26826 Weener Selbstschließendes Ventil

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100089921A1 (en) * 2006-12-20 2010-04-15 Lenny Marita Ellenkamp-Van Olst Closure assembly with valve and method for its manufacturing
US8640928B2 (en) * 2006-12-20 2014-02-04 Plasticum Group B.V. Closure assembly with valve and method for its manufacturing
US20080264979A1 (en) * 2007-02-14 2008-10-30 Avesto Tech B.V. Dispensing valve and a container for holding fluid provided with such a dispensing valve
US20090283555A1 (en) * 2008-05-14 2009-11-19 Tablecraft Products Company Valve top
US8162186B2 (en) * 2008-05-14 2012-04-24 Tablecraft Products Company Valve top
US20160355304A1 (en) * 2008-09-01 2016-12-08 Rieke Corporation Liquid dosing devices
US20110163134A1 (en) * 2010-01-06 2011-07-07 Bloom Kenneth S Dispensing valve
US8397957B2 (en) 2010-01-06 2013-03-19 Berry Plastics Corporation Dispensing valve
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EP1493682A2 (de) 2005-01-05
US20040262338A1 (en) 2004-12-30
EP1493682B1 (de) 2008-11-12
EP1493682A3 (de) 2005-04-27
DE60324669D1 (de) 2008-12-24
KR20050002306A (ko) 2005-01-07
KR100561958B1 (ko) 2006-03-21

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